Smoke exhaust air pipe convenient to connect

Abstract

The utility model belongs to the field of smoke exhaust air pipes, and particularly relates to a smoke exhaust air pipe convenient to connect, which comprises a first air pipe, the right end of the first air pipe is abutted against the left end of a connecting air pipe, and a connecting component is arranged at the right end of the first air pipe; the connecting assembly comprises a first clamping rod, and the first clamping rod is fixedly connected with the left end of the first air pipe and the left end of the connecting air pipe. Through the structural design of the connecting assembly, the function of connecting air pipes is achieved, and the problems that in the using process of existing air pipes, most of the air pipes are connected through bolts, through the connecting mode, workers need to use installation tools to continuously rotate the bolts in a reciprocating mode to fasten the bolts, and the use cost is high are solved. And in the using process of the bolt, due to the fact that the bolt makes contact with moisture in air, the bolt can be oxidized due to long-time contact, a large amount of rust is generated outside the bolt, and therefore the problem that the bolt slips is solved.

Description

Technical Field

[0001] The utility model relates to the field of smoke exhaust ducts, in particular to a smoke exhaust duct which is convenient to connect. Background Art

[0002] The purpose of the smoke exhaust duct is to exhaust the indoor smoke and dust to the outside through the exhaust machine. Since the smoke and dust often stick to the pipe, the smoke exhaust duct needs to be cleaned frequently. The smoke exhaust duct has a wide range of applications, including hotels, factories, etc.

[0003] The existing conveniently connected smoke exhaust duct can specifically refer to the Chinese utility model patent with application number CN202220160249.9, which specifically discloses a smoke exhaust duct structure, which includes an air duct, a connecting ring and a fire-resistant layer, the connecting ring is fixed at both ends of the air duct, the fire-resistant layer is sleeved on the outside of the air duct, the fire-resistant layer is fixedly connected to the air duct, and the fire-resistant layer is surrounded by a silicate board.

[0004] When adjacent ducts of the above-mentioned smoke exhaust duct structure are connected, adjacent connecting rings are spliced ​​together and connected by bolts and nuts. This connection method is extremely troublesome and requires the use of installation tools to reciprocate the bolts to tighten the connection. Moreover, the duct cannot be installed or disassembled without the help of installation tools. Moreover, during the use of the bolts, due to contact with moisture in the air, long-term contact will cause the bolts to oxidize, resulting in a large amount of rust on the outside of the bolts, thereby causing the bolts to slip, and then making it impossible to disassemble the duct at a later time. Therefore, in view of the above problems, a smoke exhaust duct that is easy to connect is proposed. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, when adjacent air ducts of the smoke exhaust duct structure are connected in the prior art, adjacent connecting rings are spliced ​​together and connected by bolts and nuts. This connection method is extremely troublesome and requires the use of installation tools to reciprocate the bolts to tighten the connection. Moreover, the air duct cannot be installed or disassembled without the help of installation tools. Moreover, during the use of the bolts, due to the contact with moisture in the air, long-term contact will cause the bolts to oxidize, resulting in a large amount of rust on the outside of the bolts, thereby causing the bolts to slip, which in turn leads to the problem that the air duct cannot be disassembled at a later stage. The utility model proposes a smoke exhaust duct that is easy to connect.

[0006] The technical solution adopted by the utility model to solve the technical problem is: the utility model provides a conveniently connected smoke exhaust duct, comprising a first duct, the right end of which abuts against the left end of the connecting duct, and a connecting assembly is provided at the right end of the first duct;

[0007] The connecting component includes a first locking rod, the first locking rod is fixedly connected to the left end of the first air duct and the connecting air duct, the right end of the first air duct and the connecting air duct are fixedly connected to the first working groove, the first locking rod passes through the right end of the first air duct, the top end of the first locking rod is engaged with the second locking rod, the second locking rod passes through the bottom end of the first working groove, the top end of the second locking rod is fixedly connected to the bottom end of the first connecting plate, the top end of the first connecting plate is abutted against the first abutment block, the first abutment block is sleeved on the outside of the first connecting rod, and the first abutment block is fixedly connected to the first connecting rod, one end of the first connecting rod is fixedly connected to the anti-slip knob, the other end of the first connecting rod is fixedly connected to the first bearing, the first bearing is fixedly connected to the inner wall of the first working groove, and a limiting assembly is provided at the right end of the first air duct.

[0008] Preferably, the limiting assembly includes a first limiting rod, the first limiting rod is engaged with the first limiting block, the first limiting rod is fixedly connected to the first sliding rod, the first sliding rod is fixedly connected to the first pull ring, the first sliding rod passes through the first connecting member, the first sliding rod is fixedly connected to the first abutment plate, and the first abutment plate abuts against the top end of the first connecting member.

[0009] Preferably, the top end of the first connecting plate is fixedly connected to the bottom end of the first spring, the top end of the first spring is fixedly connected to the top inner wall of the first working groove, the two sides of the first connecting plate are fixedly connected to the first slider, and the first slider is slidably connected to the two side inner walls of the first working groove.

[0010] Preferably, the first connecting rod passes through one end of the first working groove, a first limiting block is sleeved on the outside of the first connecting rod, and the first limiting block is fixedly connected to the first connecting rod, and the first limiting block abuts against the first working groove.

[0011] Preferably, the first sliding rod is fixedly connected to one end of the magnet connecting rod, and the other end of the magnet connecting rod is fixedly connected to the first magnet, and the two groups of the first magnets are attracted to each other.

[0012] Preferably, the first connecting member is fixedly connected to the first working groove, and the first sliding rod is slidably connected to the top end of the first connecting member.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the function of connecting the air ducts through the structural design of the connecting assembly, and solves the problem that the existing air ducts are mostly connected by bolts during use. In this connection method, workers need to use installation tools to continuously reciprocate the bolts to tighten them. In addition, during the use of the bolts, due to contact with moisture in the air, long-term contact will cause the bolts to oxidize, resulting in a large amount of rust on the outside of the bolts, thereby causing the bolts to slip.

[0015] 2. The utility model realizes the function of limiting the connection component through the structural design of the limit component. The two groups of air ducts can be conveniently connected and installed through the connection component. The connection component can be limited by the limit component, so that the connection component can be more stable during the process of connecting the two groups of air ducts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a top view of the three-dimensional structure of the utility model;

[0019] Figure 3 It is a side view stereoscopic structural schematic diagram of the utility model;

[0020] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 For the utility model Figure 4 The enlarged structural diagram at B in the middle;

[0022] Figure 6 It is a partial three-dimensional structural schematic diagram of the utility model;

[0023] Figure 7 For the utility model Figure 6 Enlarged structural diagram at point C in the middle.

[0024] In the figure: 1, first air duct; 2, connecting air duct; 40, first engaging rod; 41, first working groove; 42, anti-slip knob; 43, first connecting rod; 44, first bearing; 45, first abutment block; 46, first connecting plate; 47, second engaging rod; 48, first sliding block; 49, first spring; 50, first limiting block; 60, first pull ring; 61, first sliding rod; 62, first limiting rod; 63, first abutment plate; 64, magnet connecting rod; 65, first magnet; 66, first connecting piece. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 7 As shown, a smoke exhaust duct that is convenient to connect includes a first duct 1, the right end of the first duct 1 abuts against the left end of the connecting duct 2, and a connecting component is provided at the right end of the first duct 1;

[0027] The connecting assembly includes a first locking rod 40, which is welded to the left ends of the first air duct 1 and the connecting air duct 2. A rectangular hole matching the first locking rod 40 is provided inside the left ends of the first air duct 1 and the connecting air duct 2. The right ends of the first air duct 1 and the connecting air duct 2 are welded to the first working groove 41. The first working groove 41 is designed in a rectangular shape. The first locking rod 40 passes through the right end of the first air duct 1. The top end of the first locking rod 40 is engaged with the second locking rod 47. The second locking rod 47 passes through the bottom end of the first working groove 41. The top end of the second locking rod 47 is welded to the bottom end of the first connecting plate 46. The first connecting plate 46 is rectangular. The top end of the first connecting plate 46 is in contact with the first abutting block 45, the first abutting block 45 is sleeved on the outside of the first connecting rod 43, and the first abutting block 45 and the first connecting rod 43 are welded together, a cylindrical hole matching the first connecting rod 43 is opened inside the first abutting block 45, one end of the first connecting rod 43 is welded to the anti-slip knob 42, the other end of the first connecting rod 43 is welded to the first bearing 44, the first bearing 44 is welded to the inner wall of the first working groove 41, the inner wall of the first working groove 41 is provided with a cylindrical hole matching the outer ring of the first bearing 44, and a limiting component is provided at the right end of the first air duct 1;

[0028] During operation, when the connecting air duct 2 and the first air duct 1 are disassembled at a later stage, the two groups of first pull rings 60 are pulled at the same time, the first pull ring 60 is fixedly connected to the first sliding rod 61, and then the two groups of first sliding rods 61 are driven to slide synchronously away from each other inside the first connecting member 66, the first abutment plate 63 is fixedly connected to the first sliding rod 61, and then the first abutment plate 63 slides on the top end of the first connecting member 66, and the abutment between the first abutment plate 63 and the top end of the first connecting member 66 can make the first sliding rod 61 slide more stably, the first sliding rod 61 is fixedly connected to the first limiting rod 62, and then the first limiting rod 62 is driven to slide, one end of the magnet connecting rod 64 is fixedly connected to the first sliding rod 61, and the other end of the magnet connecting rod 64 is fixedly connected to the first magnet 65, and then the two groups of first magnets 6 5 is separated, and then the two groups of first magnets 65 are no longer attracted to each other. Through the attraction of the two groups of first magnets 65, the first limiting rod 62 can be more stably engaged with the first limiting block 50. When the first limiting rod 62 is completely separated from the inside of the first limiting block 50, the first limiting rod 62 and the first limiting block 50 are no longer engaged. Then the anti-skid knob 42 is rotated clockwise. The anti-skid knob 42 is provided with anti-skid patterns, so as to increase the friction between the hand and the knob, so as to facilitate the staff to rotate it. The anti-skid knob 42 is fixedly connected to one end of the first connecting rod 43, and the other end of the first connecting rod 43 is fixedly connected to the inner ring of the first bearing 44. The outer ring of the first bearing 44 is fixedly connected to the inner wall of the first working groove 41, so that the first connecting rod 43 rotates inside the first bearing 44.

[0029] Further, the limiting assembly includes a first limiting rod 62, the first limiting rod 62 is engaged with the first limiting block 50, the first limiting rod 62 is welded with the first sliding rod 61, the first sliding rod 61 is designed in a rectangular shape, the first sliding rod 61 is connected to the first pull ring 60 by an adhesive, the first sliding rod 61 passes through the first connecting member 66, the first sliding rod 61 is welded with the first abutting plate 63, a rectangular hole adapted to the first sliding rod 61 is opened inside the first abutting plate 63, and the first abutting plate 63 abuts against the top end of the first connecting member 66;

[0030] During operation, the two groups of first pull rings 60 are pulled at the same time, the first pull rings 60 are fixedly connected to the first sliding rod 61, and then the two groups of first sliding rods 61 are driven to slide away synchronously inside the first connecting member 66, the first abutment plate 63 is fixedly connected to the first sliding rod 61, and then the first abutment plate 63 slides on the top end of the first connecting member 66, and the abutment between the first abutment plate 63 and the top end of the first connecting member 66 can make the first sliding rod 61 slide more stably, the first sliding rod 61 is fixedly connected to the first limiting rod 62, and then the first limiting rod 62 is driven to slide.

[0031] Furthermore, the top end of the first connecting plate 46 is connected to the bottom end of the first spring 49 by an adhesive, the top end of the first spring 49 is connected to the top inner wall of the first working groove 41 by an adhesive, the two sides of the first connecting plate 46 are welded to the first slider 48, the first slider 48 is rectangular in design, and the first slider 48 is slidably connected to the inner walls of the two sides of the first working groove 41;

[0032] During operation, when the first abutment block 45 rotates to the point where it no longer abuts against the top end of the first connecting plate 46, that is, the first connecting plate 46 no longer stretches the first spring 49 downward, the first spring 49 shrinks toward the top end of the first working groove 41 under the action of the restoring force of the first spring 49, and the first connecting plate 46 moves upward. The first connecting plate 46 is fixedly connected to the first slider 48, and the first slider 48 is driven to slide upward on the inner walls on both sides of the first working groove 41.

[0033] Furthermore, the first connecting rod 43 passes through one end of the first working groove 41, and a first limiting block 50 is sleeved on the outside of the first connecting rod 43, and the first limiting block 50 is welded to the first connecting rod 43, and the first limiting block 50 abuts against the first working groove 41;

[0034] During operation, the anti-skid knob 42 is rotated to drive the first connecting rod 43 to rotate inside the first working groove 41 , and the first connecting rod 43 is fixedly connected to the first limiting block 50 , thereby driving the first limiting block 50 to rotate.

[0035] Furthermore, the first sliding rod 61 is welded to one end of the magnet connecting rod 64, and the other end of the magnet connecting rod 64 is connected to the first magnet 65 by adhesive, and a cylindrical hole matching the magnet connecting rod 64 is provided inside the first magnet 65, and the two groups of first magnets 65 are attracted to each other;

[0036] During operation, one end of the magnet connecting rod 64 is fixedly connected to the first sliding rod 61, and the other end of the magnet connecting rod 64 is fixedly connected to the first magnet 65, thereby driving the two groups of first magnets 65 to separate, and then making the two groups of first magnets 65 no longer attract each other. Through the attraction of the two groups of first magnets 65, the first limit rod 62 can be more stably engaged with the first limit block 50. When the first limit rod 62 is completely separated from the interior of the first limit block 50, the first limit rod 62 and the first limit block 50 are no longer engaged.

[0037] Furthermore, the first connecting member 66 is welded to the first working groove 41, and the first sliding rod 61 is slidably connected to the top end of the first connecting member 66;

[0038] During operation, the first connecting member 66 is fixedly connected to the first working groove 41 , so that the first sliding rod 61 can slide more stably inside the first sliding rod 61 . By pulling the first pull ring 60 , the first sliding rod 61 can slide inside the first connecting member 66 .

[0039] Working principle: When the connecting air duct 2 and the first air duct 1 are disassembled at a later stage, the two groups of first pull rings 60 are pulled at the same time, and the first pull rings 60 are fixedly connected to the first sliding rod 61, thereby driving the two groups of first sliding rods 61 to slide away synchronously inside the first connecting member 66, and the first abutment plate 63 is fixedly connected to the first sliding rod 61, thereby causing the first abutment plate 63 to slide on the top end of the first connecting member 66, and the abutment between the first abutment plate 63 and the top end of the first connecting member 66 allows the first sliding rod 61 to slide more stably, and the first sliding rod 61 is fixedly connected to the first limiting rod 62, thereby driving the first limiting rod 62 to slide. One end of the magnet connecting rod 64 is fixedly connected to the first sliding rod 61, and the other end of the magnet connecting rod 64 is fixedly connected to the first magnet 65, thereby driving the two groups of first magnets 65 to separate, and then the two groups of first magnets 65 are no longer attracted to each other. Through the attraction of the two groups of first magnets 65, the first limit rod 62 can be more stably engaged with the first limit block 50. When the first limit rod 62 is completely separated from the inside of the first limit block 50, the first limit rod 62 and the first limit block 50 are no longer engaged, and then the anti-skid knob 42 is turned clockwise. The anti-skid knob 42 is provided with anti-skid patterns, so that the friction between the hand and it can be increased. The first connecting rod 43 is fixedly connected to the first connecting rod 43, and the other end of the first connecting rod 43 is fixedly connected to the inner ring of the first bearing 44. The outer ring of the first bearing 44 is fixedly connected to the inner wall of the first working groove 41, so that the first connecting rod 43 rotates inside the first bearing 44, and the first abutment block 45 is fixedly connected to the first connecting rod 43, which drives the first abutment block 45 to rotate. When the first abutment block 45 rotates to no longer abut against the top of the first connecting plate 46, that is, the first connecting plate 46 no longer stretches the first spring 49 downward, under the action of the restoring force of the first spring 49, Then the first connecting plate 46 moves upward, the first connecting plate 46 is fixedly connected to the first sliding block 48, and then the first sliding block 48 is driven to slide upward on the inner walls on both sides of the first working groove 41, the second engaging rod 47 is fixedly connected to the first abutment block 45, and then the second engaging rod 47 is driven to pass through the bottom end of the first working groove 41 and move upward, when the second engaging rod 47 moves upward to completely disengage from the inside of the first engaging rod 40, then the second engaging rod 47 is no longer engaged with the first engaging rod 40, and then the operation is repeated to make other groups of second engaging rods 47 no longer engaged with the first engaging rod 40, so that the connecting air duct 2 and the first air duct 1 can be separated.

[0040] When the first air duct 1 and the connecting air duct 2 are further installed, the right end of the first air duct 1 is brought into contact with the left end of the connecting air duct 2, and then the first working groove 41 is passed through the right end of the first air duct 1, and then the anti-slip knob 42 is turned counterclockwise, so that the first connecting plate 46 gradually stretches the first spring 49 downward, and then the first connecting plate 46 moves downward inside the first working groove 41, and then the second engaging rod 47 passes through the bottom end of the first working groove 41 and moves downward. When the first connecting plate 46 moves downward, After it moves to abut against the inner wall of the bottom end of the first working groove 41, the second engaging rod 47 engages with the first engaging rod 40, and then the two groups of first pull rings 60 are pulled synchronously, and then the two groups of first sliding rods 61 are synchronously approached, and then the two groups of first magnets 65 are re-engaged, and the first limiting rod 62 is re-engaged with the first limiting block 50, and then the operation is repeated so that the other groups of first limiting rods 62 are also re-engaged with the first limiting block 50, and the installation of the first air duct 1 and the connecting air duct 2 can be completed.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A smoke exhaust duct that is easy to connect, comprising a first duct (1), wherein the right end of the first duct (1) abuts against the left end of a connecting duct (2), characterized in that: A connecting component is provided at the right end of the first air duct (1); The connecting assembly comprises a first engaging rod (40), the first engaging rod (40) being fixedly connected to the left end of the first air duct (1) and the connecting air duct (2), the right end of the first air duct (1) and the connecting air duct (2) being fixedly connected to the first working groove (41), the first engaging rod (40) passing through the right end of the first air duct (1), the top end of the first engaging rod (40) being engaged with the second engaging rod (47), the second engaging rod (47) passing through the bottom end of the first working groove (41), the top end of the second engaging rod (47) being engaged with the first connecting plate (46), The bottom end is fixedly connected, the top end of the first connecting plate (46) abuts against the first abutment block (45), the first abutment block (45) is sleeved on the outside of the first connecting rod (43), and the first abutment block (45) is fixedly connected to the first connecting rod (43), one end of the first connecting rod (43) is fixedly connected to the anti-slip knob (42), the other end of the first connecting rod (43) is fixedly connected to the first bearing (44), the first bearing (44) is fixedly connected to the inner wall of the first working groove (41), and a limiting component is provided at the right end of the first air duct (1).

2. The conveniently connected smoke exhaust duct according to claim 1, characterized in that: The limiting assembly comprises a first limiting rod (62), the first limiting rod (62) is engaged with the first limiting block (50), the first limiting rod (62) is fixedly connected to the first sliding rod (61), the first sliding rod (61) is fixedly connected to the first pull ring (60), the first sliding rod (61) passes through the first connecting member (66), the first sliding rod (61) is fixedly connected to the first abutment plate (63), and the first abutment plate (63) abuts against the top end of the first connecting member (66).

3. The conveniently connected smoke exhaust duct according to claim 2, characterized in that: The top end of the first connecting plate (46) is fixedly connected to the bottom end of the first spring (49), the top end of the first spring (49) is fixedly connected to the top inner wall of the first working groove (41), the two sides of the first connecting plate (46) are fixedly connected to the first sliding block (48), and the first sliding block (48) is slidably connected to the two side inner walls of the first working groove (41).

4. The conveniently connected smoke exhaust duct according to claim 3, characterized in that: The first connecting rod (43) passes through one end of the first working groove (41); a first limiting block (50) is sleeved on the outside of the first connecting rod (43); the first limiting block (50) is fixedly connected to the first connecting rod (43); and the first limiting block (50) abuts against the first working groove (41).

5. The conveniently connected smoke exhaust duct according to claim 4, characterized in that: The first sliding rod (61) is fixedly connected to one end of the magnet connecting rod (64), and the other end of the magnet connecting rod (64) is fixedly connected to the first magnet (65), and the two groups of the first magnets (65) are attracted to each other.

6. The conveniently connected smoke exhaust duct according to claim 5, characterized in that: The first connecting member (66) is fixedly connected to the first working groove (41), and the first sliding rod (61) is slidably connected to the top end of the first connecting member (66).

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